ADEQ has completed the final remedial investigation (RI) report and feasibility study (FS) work plan for the West Central Phoenix (WCP) North Canal Plume (NCP) Water Quality Assurance Revolving Fund (WQARF) site located in Phoenix, Ariz.
RI and FS Information
An RI is conducted to document the nature and extent of the contamination and the sources thereof; identify current and potential impacts to public health, welfare and the environment; identify current and reasonably foreseeable uses of land and waters of the state; and obtain and evaluate any other information necessary for identification and comparison of alternative remedial actions. The final RI report includes the final remedial objectives report and responsiveness summaries regarding comments, issues and concerns raised during the community involvement process. An FS is conducted to identify a reference remedy and alternative remedies that appear to be capable of achieving established remedial objectives and to evaluate them based on the comparison criteria.
The WCP NCP WQARF site consists of plumes located in Phoenix. The plumes are bounded approximately by Indian School Road to the north, Flower Street to the south, Grand Avenue to the east and 41st Avenue to the west. Contaminants of concern at the site are trichloroethene (TCE), tetrachloroethene (PCE), 1,1-dichloroethene (DCE) and chromium.
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